This 600-piece neon pack from Plus-Plus contains a vibrant mix of neon blue, green, pink, yellow, orange and clear interlocking pieces and includes a full-color fold-out booklet with project inspirations. This building set snaps together easily to create bright 2D mosaics and sturdy 3D models that boost creativity and fine motor skills. This composition is free from endocrine-disrupting substances, providing parents peace of mind during play. This compact, gift-ready box keeps pieces organized and makes storage simple for home, school or travel. This creative kit suits builders ages 5 and up and doubles as an engaging STEM activity for kids who enjoy hands-on design.